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Finding the Fourth Proportional to 409,993.49, 565,665.41 and 237,851.69

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Solution

The fourth proportional to 409,993.49, 565,665.41 and 237,851.69 is: 328,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,993.49 : 565,665.41 = 237,851.69 : x
  2. Step 2: Convert to fraction form
    409,993.49/565,665.41 = 237,851.69/x
  3. Step 3: Cross multiply
    409,993.49x = 565,665.41 × 237,851.69
  4. Step 4: Simplify right side
    409,993.49x = 134,544,471,509.35
  5. Step 5: Solve for x
    x = 134,544,471,509.35/409,993.49
  6. Step 6: Final answer
    x = 328,162.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.